微服务进行token传递

@Configuration
public class FeginInterceptor implements RequestInterceptor {
    @Override
    public void apply(RequestTemplate requestTemplate) {
        try {
            Map<String,String> headers = getHeaders();
            for(String headerName : headers.keySet()){
                requestTemplate.header(headerName, headers.get(headerName));
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
    private Map<String, String> getHeaders(){
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        Map<String, String> map = new LinkedHashMap<>();
        Enumeration<String> enumeration = request.getHeaderNames();
        while (enumeration.hasMoreElements()) {
            String key = enumeration.nextElement();
            String value = request.getHeader(key);
            map.put(key, value);
        }
        return map;
    }

}